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Pre algebra

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Pre-algebra is a common name for a course in middle school mathematics. In the United States, pre-algebra is usually taught in the 7th grade. The objective of pre-algebra is to prepare him/her for the study of algebra.

Contents

Pre-algebra Free PowerPoint Presentations about PreAlgebra for Kids amp Teachers

Pre-algebra includes several broad subjects:

  • Review of natural number arithmetic (ex:-3+7=4, 56/9=6 r2)
  • New types of numbers such as integers,(+,-) fractions, (3/4, 8/5)decimals and negative numbers (-6).
  • Factorization of natural numbers (20=2x2x5)
  • Properties of operations such as associativity and distributivity (3(6)=6(3)
  • Simple (integer) roots and powers
  • Rules of evaluation of expressions, such as operator precedence and use of parentheses
  • Basics of equations, including rules for invariant manipulation of equations
  • Understanding of variable manipulation
  • Manipulation and arithmetic with the standard 4-quadrant Cartesian coordinate plane

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    Pre-algebra may include subjects from geometry, especially subjects that further understanding of algebra in applications to area and volume.

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    References

    Pre-algebra Wikipedia
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